UBUNTU-CVE-2021-39515

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Source
https://ubuntu.com/security/CVE-2021-39515
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39515.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-39515
Upstream
Published
2021-09-20T16:15:00Z
Modified
2025-10-24T04:50:30Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libjpeg6b

Package

Name
libjpeg6b
Purl
pkg:deb/ubuntu/libjpeg6b@1:6b2-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

1:6b2-2

1:6b2-2ubuntu0.*

1:6b2-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:6b2-2ubuntu0.1~esm1",
            "binary_name": "libjpeg62"
        },
        {
            "binary_version": "1:6b2-2ubuntu0.1~esm1",
            "binary_name": "libjpeg62-dev"
        }
    ]
}

Ubuntu:20.04:LTS / libjpeg

Package

Name
libjpeg
Purl
pkg:deb/ubuntu/libjpeg@0.0~git20190821.87636f3b26b4-1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.0~git20190821.87636f3b26b4-1
0.0~git20190821.87636f3b26b4-1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.0~git20190821.87636f3b26b4-1.1",
            "binary_name": "libjpeg-tools"
        }
    ]
}